One box of KYOSHO Switchback Rail Set (900mm sliding rail allowing for reciprocating travel with a re-railer). Two boxes of Extension Rail Set. *Boxes are slightly dented. - Brand: KYOSHO - Model Name: Switchback Rail Set (1 box), Extension Rail Set (2 boxes) - Accessories: With re-railer - Size: Sliding rail length: 900mm - Function: Reciprocating travel possible Thank you for viewing.